Climate at a Glance

National Time Series

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


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Download: xml csv json
Dates Value Rank Departure From Mean (51.21°F)
1901-1917 Base Period
189511 - 189609 51.73°F 14 0.52°F
189611 - 189709 51.43°F 12 0.22°F
189711 - 189809 51.85°F 17 0.64°F
189811 - 189909 49.88°F 3 -1.33°F
189911 - 190009 52.50°F 22 1.29°F
190011 - 190109 51.81°F 16 0.60°F
190111 - 190209 51.21°F 8 0.00°F
190211 - 190309 50.66°F 6 -0.55°F
190311 - 190409 50.50°F 4 -0.71°F
190411 - 190509 51.11°F 7 -0.10°F
190511 - 190609 51.45°F 13 0.24°F
190611 - 190709 51.26°F 10 0.05°F
190711 - 190809 52.08°F 19 0.87°F
190811 - 190909 51.77°F 15 0.56°F
190911 - 191009 51.91°F 18 0.70°F
191011 - 191109 52.30°F 21 1.09°F
191111 - 191209 49.45°F 1 -1.76°F
191211 - 191309 51.23°F 9 0.02°F
191311 - 191409 52.28°F 20 1.07°F
191411 - 191509 50.54°F 5 -0.67°F
191511 - 191609 51.38°F 11 0.17°F
191611 - 191709 49.67°F 2 -1.54°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/